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Re: Understanding scan behaviour - HBase - [mail # user]
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...Thanks, that's a good point about last byte being max :) When I query 1234555..1234556 do I also get row for 1234556 if one exist? On Sat, Mar 30, 2013 at 6:55 AM, Asaf Mesika &n...
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Author: Mohit Anchlia,
2013-03-30, 15:25
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Re: Understanding scan behaviour - HBase - [mail # user]
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...Thanks everyone, it's really helpful. I'll change my prefix filter to end row. Is it necessary to increment the last byte? So if I have hash of 1234555 my end key should be 1234556? O...
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Author: Mohit Anchlia,
2013-03-29, 16:31
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Re: Understanding scan behaviour - HBase - [mail # user]
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...Could the prefix filter lead to full tablescan? In other words is PrefixFilter applied after fetching the rows? Another question I have is say I have row key abc and abd and I search f...
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Author: Mohit Anchlia,
2013-03-28, 17:17
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Re: Understanding scan behaviour - HBase - [mail # user]
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...I see then I misunderstood the behaviour. My keys are id + timestamp so that I can do a range type search. So what I really want is to return a row where id matches the prefix. Is there a wa...
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Author: Mohit Anchlia,
2013-03-28, 16:02
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Re: Understanding scan behaviour - HBase - [mail # user]
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...My understanding is that the row key would start with +++++ for instance. On Thu, Mar 28, 2013 at 7:53 AM, Jean-Marc Spaggiari wrote: ...
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Author: Mohit Anchlia,
2013-03-28, 15:17
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Re: Understanding scan behaviour - HBase - [mail # user]
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...I am running 92.1 version and this is what happens. hbase(main):003:0> scan 'SESSIONID_TIMELINE', {LIMIT => 1, STARTROW => 'sdw0'} ROW &nbs...
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Author: Mohit Anchlia,
2013-03-28, 14:38
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Understanding scan behaviour - HBase - [mail # user]
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...I have key in the form of "hashedid + timestamp" but when I run scan I get rows for almost every value. For instance if I run scan for 'azzzaaa' that doesn't even exist even then I get the r...
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Author: Mohit Anchlia,
2013-03-28, 04:15
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Incorrect Root region server - HBase - [mail # user]
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...I am seeing a wierd issue where zk is going to "primarymaster" (hostname) as a ROOT region. This host doesn't exist. Everything was working ok until I ran truncate on few tables. Does anyone...
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Author: Mohit Anchlia,
2013-03-25, 22:56
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Re: persistence in Hbase - HBase - [mail # user]
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...This is a broad topic by itself. In short often people use battery backed cache or leave the write cache disabled for such concern. There are various factors involved when deciding if to lea...
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Author: Mohit Anchlia,
2013-01-15, 03:38
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Re: Storing images in Hbase - HBase - [mail # user]
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...Thanks Jack for sharing this information. This definitely makes sense when using the type of caching layer. You mentioned about increasing write cache, I am assuming you had to increase the ...
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Author: Mohit Anchlia,
2013-01-13, 15:47
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